{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900008768},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["491:4910005004","490:4900009518","490:4900007897","491:4910004851","491:4910005415","490:4900007649","490:4900010033","490:4900010030","490:4900012039","490:4900010041","491:4910005363","491:4910001743","490:4900005415","491:4910005313","490:4900009100","490:4900009921","490:4900012578","490:4900009619","490:4900006679","490:4900007882","490:4900010235","490:4900007781","490:4900012105","490:4900011507","490:4900006923"],"twin_admin_codes":[491,490,490,491,491,490,490,490,490,490,491,491,490,491,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.006645110580994253,0.0060795057963563175,0.0015324652924429115,0.0004755234316360942,0.00028808325936857443,0.0001522365612926452,0.0001457155378521985,0.00012827738486959533,0.00010922420267486017,0.00010450174401651373,0.00009658486703621368,0.00008769236545077778,0.0000684467740443132,0.00006757790851966767,0.00006175869788699713,0.00004065486953920308,0.00003751886734376454,0.00003715354010021379,0.000036544218948804373,0.00003365946087730902,0.000032350456741353316,0.000029171020570176478,0.00002889157155307276,0.000024214747752303444,0.000023862652505607556],"twin_dists":[0.41126859692437845,0.41490099237203354,0.467579811494697,0.5080431781031849,0.5244183531289065,0.5445467023148413,0.545901085261985,0.5498253122259011,0.5547361218271005,0.5560784160989801,0.5584629679349545,0.5613726338770082,0.5687688289921078,0.5691475662928746,0.57180997134838,0.5840134374218972,0.586327334104204,0.5866087565324175,0.5870840426301518,0.5894418066921333,0.5905757934014005,0.5935231327507463,0.5937966278238672,0.5987917765256553,0.5992042340804496],"n_dims_used":45,"mean_confidence":0.8849483913845486},"coverage":{"mean_confidence":0.8849483913845486,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}